Platform/2026PlannedWork

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Gecko Planned Work For 2026

Warning: This is page is actively in-progress and is incomplete.

Related Links:

• Firefox Release Calendar (future)
• Firefox release notes for developers (past)
• Pocket Guide: Shipping Firefox

These are areas of work planned for Gecko in 2026 for the Web Platform.

For current web platform documentation of these areas, see the subsections at:

• https://developer.mozilla.org/en-US/docs/Web/

HTML

• ...

CSS

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SVG

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DOM

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JS

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APIs

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Protocols

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HTTP

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Media

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Related Projects

• [https://wpt.fyi/interop-2026 Interop 2026]
  • Our announcement blog post: To be published around 2026 February
• ...

Specifications and Notes

Edit and publish new and updated specifications and notes. See Standards for our ongoing work in this area.

• ...

Previously

• Platform/2025PlannedWork

See Also

• Platform
• Platform/Planning